It’s joining Webshots. Now, don’t know about Webshots? I didn’t either until recently. But Webshots has 23 million members (Flickr has less than a million). and they get 750,000 uploads a day. More uploads in five days than Flickr has had in all of its existence. And HeyPix’s team is going to add on some killer new technology to Webshots, James tells me. (He showed me his app at a geek dinner earlier in the year and we’ve kept in touch since then).

As for why Flickr is growing so much faster than any other photo sharing service on the Web, I’m not the most qualified person to answer that… but I’m fairly sure it goes back to something I wrote a couple of weeks ago: